2024-03-28T21:56:38Z
http://bc.umcs.pl/oai-pmh-repository.xml
oai:bc.umcs.pl:3831
2021-09-21T08:09:16Z
dLibraDigitalLibrary:CulturalHeritage dLibraDigitalLibrary:ScienceandEducation:AnnalesUMCS dLibraDigitalLibrary:ScienceandEducation dLibraDigitalLibrary:CulturalHeritage:Journals dLibraDigitalLibrary